<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEC FORM
10-Q FOR THE PERIODS ENDED 9/28/97, AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS. AMOUNTS HAVE BEEN RESTATED TO INCLUDE
THE 7/2/98 ACQUISITION OF TELECOMMUNICATIONS DEVICES, INC., ACCOUNTED FOR AS A
POOLING OF INTERESTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-28-1997             DEC-28-1997             DEC-28-1997
<PERIOD-END>                               MAR-30-1997             JUN-29-1997             SEP-28-1997
<CASH>                                          96,999                 143,715                  76,084
<SECURITIES>                                    31,868                  31,689                  69,460
<RECEIVABLES>                                  422,419                 464,576                 483,027
<ALLOWANCES>                                  (30,497)                (34,528)                (37,025)
<INVENTORY>                                    398,472                 397,914                 400,652
<CURRENT-ASSETS>                               986,909               1,074,278               1,045,193
<PP&E>                                       1,026,672               1,057,103               1,082,150
<DEPRECIATION>                                 475,316                 493,075                 508,047
<TOTAL-ASSETS>                               2,197,920               2,279,314               2,268,329
<CURRENT-LIABILITIES>                          486,736                 515,482                 451,186
<BONDS>                                        679,508                 702,361                 730,295
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                             0                       0                 316,409
<OTHER-SE>                                     912,567                 943,287                 654,034
<TOTAL-LIABILITY-AND-EQUITY>                 2,197,920               2,279,314               2,268,329
<SALES>                                        549,287               1,130,440               1,684,396
<TOTAL-REVENUES>                               549,287               1,130,440               1,684,396
<CGS>                                          387,355                 791,488               1,176,332
<TOTAL-COSTS>                                  106,664                 215,232                 316,295
<OTHER-EXPENSES>                               (4,250)                 (8,122)                (12,477)
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                              12,804                  26,010                  38,812
<INCOME-PRETAX>                                 46,714                 105,832                 165,434
<INCOME-TAX>                                    15,018                  33,937                  51,307
<INCOME-CONTINUING>                             31,696                  71,895                 114,127
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                    31,696                  71,895                 114,127
<EPS-PRIMARY>                                      .57                    1.29                    2.04
<EPS-DILUTED>                                      .57                    1.28                    2.02
        

</TABLE>